

/*
 * Copyright (C) 2008 Search Solution Corporation. All rights reserved by Search Solution. 
 *
 * Redistribution and use in source and binary forms, with or without modification, 
 * are permitted provided that the following conditions are met: 
 *
 * - Redistributions of source code must retain the above copyright notice, 
 *   this list of conditions and the following disclaimer. 
 *
 * - Redistributions in binary form must reproduce the above copyright notice, 
 *   this list of conditions and the following disclaimer in the documentation 
 *   and/or other materials provided with the distribution. 
 *
 * - Neither the name of the <ORGANIZATION> nor the names of its contributors 
 *   may be used to endorse or promote products derived from this software without 
 *   specific prior written permission. 
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 
 * IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 
 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, 
 * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
 * OF SUCH DAMAGE. 
 *
 */

package cubrid.jdbc.driver;

import java.sql.*;
import java.util.*;
import java.io.*;
import javax.sql.*;
import javax.naming.*;

import cubrid.jdbc.driver.CUBRIDConnection;

import cubrid.sql.*;
import cubrid.jdbc.jci.*;
import cubrid.jdbc.driver.*;

/**
 * Title: CUBRID JDBC Driver Description:
 * 
 * @version 3.0
 */

public class CUBRIDDataSource extends CUBRIDDataSourceBase implements
  javax.sql.DataSource, javax.naming.Referenceable, java.io.Serializable
{
  public CUBRIDDataSource ()
  {
    super ();
  }

  protected CUBRIDDataSource (Reference ref)
  {
    super ();
    setProperties (ref);
  }

  /*
   * javax.sql.DataSource interface
   */

  public Connection getConnection () throws SQLException
  {
    return getConnection (null, null);
  }

  public Connection getConnection (String username, String passwd)
    throws SQLException
  {
    String dataSourceName = getDataSourceName ();
    Connection con;

    if (dataSourceName == null || dataSourceName.length () == 0)
      {
 if (username == null)
   username = getUser ();
 if (passwd == null)
   passwd = getPassword ();

 UConnection u_con =
   UJCIManager.connect (getServerName (), getPortNumber (),
          getDatabaseName (), username, passwd);

   writeLog ("getConnection(" + username + ")");
   con = new CUBRIDConnection (u_con, null, username);
      }
    else
      {
 CUBRIDConnectionPoolDataSource cpds;

 cpds =
   CUBRIDConnectionPoolManager.
   getConnectionPoolDataSource (dataSourceName);
 if (username == null)
   username = cpds.getUser ();
 if (passwd == null)
   passwd = cpds.getPassword ();
 con =
   CUBRIDConnectionPoolManager.getConnection (cpds, username, passwd);
      }

    return con;
  }

  /*
   * javax.naming.Referenceable interface
   */

  public synchronized Reference getReference () throws NamingException
  {
    Reference ref = new Reference (this.getClass ().getName (),
       "cubrid.jdbc.driver.CUBRIDDataSourceObjectFactory",
       null);

      ref = getProperties (ref);
      writeLog ("Bind DataSource");
      return ref;
  }


/* JDK 1.6 */
  public boolean isWrapperFor (Class < ? >iface) throws SQLException
  {
    throw new java.lang.UnsupportedOperationException ();
  }

/* JDK 1.6 */
  public < T > T unwrap (Class < T > iface) throws SQLException
  {
    throw new java.lang.UnsupportedOperationException ();
  }

}
